2 papers
math.CO2024
Schubert polynomials and patterns in permutations
Peter L. Guo, Zhuowei Lin
This paper investigates the number of supports of the Schubert polynomial indexed by a permutation . This number also equals the number of lattice points in…
math.CO2024
Zero-one dual characters of flagged Weyl modules
Peter L. Guo, Zhuowei Lin, Simon C. Y. Peng
We prove a criterion of when the dual character of the flagged Weyl module associated to a diagram in the grid is zero-one, that is, the coefficient…